Stand-pipe apparatus



April 14, 1931- s. s. COLE STAND PIPE APPARATUS Filed June 8, 1926 2Sheets-Sheet 1 I N V E NTO R sand ordsmddam'coxe.

April 14, 1931. s s o 1,800,717

STAND PIPE APPARATUS Filed June 8, 1926 2 Sheets-Sheet 2 BY M `"J M i ATOR Y Patentecl Apr. 14, 1931 1 UNITED' STATES PATENT OFFICE SANDFORDSTODDARD COLE, OF PITTSBURGH, :PENNSYIVANIA,` ASSIGNOR TO THE i KOIPPERSCOMPANY, A CORPORATION OF PENNSYLVANIA STAND-PIPE Application filed.Tune 8,

- Myinvention relates to carbonizing plants, such asby product coke ovenplants, of the Koppers cross-regenerative type, exemplificd in the priorLetters Patent of the United 5 States of Joseph Becker for Coking retortoven,' No. 1,374,546, granted Apr. 12, 1921. My invention relates moreparticularly to -stand-pipe apparatus for conveying gases ofdistillation from the individual chambers mof such a plant into acollecting main.

One of the objects of the invention is to provide a heat-resistantstand-pipe apparatus, thereby increasing the life of the same.

A second object is to prevent excessive condensation of the gases ofdistillation ditions.

while passing through the said apparatus.

A further object of the present invention is to provide astructure theoutside of 'which is relatively cool under working con- This isparticularly important, due to the somewhatfrestricted space on top of acoke oven battery which is available for the operators attending to theindividual stand-pipes. The discomfortsand danger 4 25 of *workingaround the old type of standpipemay be appreciated if it is realizedthat, under some conditions, said stand-pipes have sometimes been so hotas to beradiant at night. i i\ p In addition to the general objectsrecited above, the inventon has, for further objects such otherimprovements or advantages in Construction and-operation asmay be foundto; obtain in the structures or devices hereinafter described orclaimed.

In order to allow for adjustment due to temperature variations and forCOI1S13I'1lCtOI1- al purposes, it has been common in the past to`provide stand-pipe apparatus which is "constituted oftwo structurallyindependent,

communicating portion's, a base portion resting' upon theovenstructureand an upper portion set into the same which communicates with, and-issupported by, the collect- According to my invention, I provide arefractory and insulated base portion for the stand-pipe` apparatuswhich is heatresisting and structurally strong and able to be used overlong periods.

APPARATUS 1926. Serial No. 114,480.

In the accompanying drawings forming a part of this specification andshowing, for purposes of exemplification, a preferred form and manner inwhich the invention may be embodied and practiced but without limitingthe claimed invention specifically to such illustrative instance orinstances,

Figure 1 is an elevational View, partly in section, of. stand-pipeapparatus Constructe d in accordance with the present inventon, andshowing, in particular, a novel base portion in such apparatus; and

Figs. 2 and 3 are vertical sectional views of alternative constructionsof the said base portion in accordance with the present invention. i

Similar characters of reference designate the same parts in each of theseveral views of the drawings.

In the illustrated embodiment of the invention, and more particularly inFig. 1 thereof, there is shown a fragmentary portion of a coking chamber11, provided in the top 12 thereof with a gas-outlet passage 13, throughwhich discharge the gases produced in the distillation of coal withinthe chamber 11. The chamber 11 may be one of a battery of similarchambers, such, for` tion of the stand-pipeS is rigidly connected to thecollecting main C and the weight thereof is carried and Suspended bysupport 16 of the collecting main C. By means of thisstructure, widevariations in the temperature between the oven structure 12 and thecollecting main C may be` allowed through relative movement of the upperportion 15 and the base portion 14 of the standpipe S, as necessary.This relative movement may amount to as much as several inches. W i

According 'to the present -invention, the base portion 14 of the`stand-pipe` S maybe 5 variously constructed toprovide a combination of,refractory, heat-inslating and structural means, the preferred method ofproviding 'for such means being illustrated in' Fig. 1.; Thestructuralmetal shell 17 of sleeve-like configurationrests in', and is sup portedby, a metal bel-l 18,' which is permai nently embedded in the ovenstructure 12,-

involved. u u

The innerdianeter ofthelining 20, atits uppermostfpoint, is` suchas toallow entry` of the flanged portion 22 of the 'pipe 15 andpackingmaterial 23 is .inserted between the lining 20 and the pipe 15 in orderto prevent leakagebf gas 'into the atmosphere. -The refractory lining 20is preferably provided, at its base, with a flanged portion 24: thatfitsrelativelysnugly against the'bottom of the shell17 and provides aconvenient means of centering the clining' 20. s

I' may take' advantage of the well-known the base portion l l of thestand-pipe S in a fashion similar to thatshown in' Fig. 1, but with theomission of the insulatingmaterial and the substitutionpthereforv of anairspace, This Construction isshownparticularly in' Fig. 2,; in whichthe sleeve 17 and the refractory lining '20 are separated throughsubstantally their 'entire length by :an intervening annular air space25. i I

A further alternative mode of accomplishtheobjects'of 'the presentinvention con- .sists in providing astand-pipe linin'g that is bothrefractory and `'insulatry in nature. In the' stand pipe ofFig; 3; theshell 17 is compo sed of material of both a refractory and-insulatorynature'. Such materials 'are well' known in the artsybutone-which I haveV found particularly suitable 'is constitutedof standing and resisting"the temperatures' lowheat conductivity of air by constructing;

protected-by means 'of'the linin'g 26, that is leaving an infiniteplurality of cellular i spaces in' i the final refraetory materiah Thishigh degree of porosity doesnot injure the refractory quality of' theproduct but causes the same to assume a beat-insulating quality notpossessed* by the :denser refractory product of the same raw material.The efl'ectiveness of my invention is illustrated by the fact that instand-pipes as constructed heretofore, 'the temperature difierentialbetween-the inside and the outp side of the ,said stand pipe, wherecast-iron pipe'is used, 'may amount to only 200 degrees-Eahrenheit, andwhere a plastic refactory lined pipe' is used, to 500 degreesFahrenheit, whrea's, by constructin'g suchstandpipes in the ;manner ofthe presentinvention, this't'mperature diflerential may increased'to' assuch as 1000 to 1200 deg'ees The 'inner surface of the base portion'14,'

being maintained at a relativelyhightenperature'approximate to thatofthegas escapng 'from the coke oven; isless likely to cause'condensation of the .tarry content 9 'of thegas and thus requirescomparatively little attention and cleaning, and eliminates swabbing, ofthe stand-pipe, -one, ofthe customary Operations incident to theoperatio'n of a coke oven battery. a The' tempera- 795 ture of theouter' shell, 17,11wh'ch protects the refactory and insulator y liningagainst breakage from accidental Aimpact, is rela"- tively low and isthus less' apt to ,cause ds comfort or ,injuryjto the' operatorswhilefloo the life of the stand-pipe, and morepar'ticu la'rly the baseportion thereof, is grfeatly 'lengthened. z V

My nvention is hereinabove set forth'and described with reference to r aparticular.: e'mbodiment 'or embodiments, but may-variously' be embodiedwith in the scopeofthe followingclaims.

. I claim as my invention i;

1. Apparatusfordistlling carb'onacousro material and removing gases'produced therein comprising -in combination, a carbonization chamber,`acollecting main, a lower vertical -refactory and. heat-insulatingconduit supported on said carbonizatioi'ills chamber, and an upperconduit ada ted to be'communicably inserted within ;t` e 'said lowerconduit and communicating withgaand supported i by, said 'collectingmain, :and e sealingmeans for preventing;thefescapepf 7:20 gasesinto'the atmosphere: i

2; Apparatus' for distilling: carbon aceous `material 'and removing :gasproduced theren comprsng 'in: combinatn ;a v carbonizas tion chamber, acollecting m in lower conduit havingra ln'ng, composed of an' junerportion of firebrcl: and aniouter portion of asbestos composition, .the,said conduit be n supported on. the said carbonization chamber, and annpper conduit ad'aptd to 1,soo,717

be communicably inserted within the said lower Conduit and communcatingwith, and supported by, the said collecting main, and scaling means forpreventing the escape of gases into the atmosphere.

3. Apparatus consisting of a pipe element adapted to connect acarbom'zation chamber to a collecting main for condensed vapors, whichelement comprises a metal sleeve, a highly cellular heat-insulatingmaterial adjacent the 'nner surface of the said sleeve, and a layer ofrefactory material on the said layer of heat-insulating material.

4. Apparatus consisting of a pipe element adapted to connect acarbonization chamber to a collecting main for condensed vapors, whichelement comprises a metal sleeve, a layer of asbestos compositionadjacent the inner surface of the said sleeve, and a layer of firebrickon the said layer of asbestos composition.

In testimony whereof, I have hereunto subscribed `my name this Seventhday of June, 1926.

SANDFORD STODDARD COLE.

